Steroids, waxes, fats and oils are examples of ______.

Longest human bone is commonly known as ________.

A plant tissue that transport water from the roots to all parts.

Unit of heredity

It is an enzyme present in saliva that helps partially digest food.

A polysaccharide in outer skeletons of insects & crustaceans.

What is another name for the voice box?

The first vaccine targeted which disease?

What vitamin does the sun's ultraviolet rays help the skin produce?